dissolution vs ending

dissolution and ending both are nouns.

Word	Noun	Adjective	Verb	Adverb
dissolution	Yes	No	No	No
ending	Yes	No	No	No

As nouns, ending is a hypernym of dissolution; that is, ending is a word with a broader meaning than dissolution:

dissolution: the termination or disintegration of a relationship (between persons or nations)
ending: the act of ending something

Other hypernyms of dissolution include conclusion, termination.

As nouns, ending is a hypernym of dissolution; that is, ending is a word with a broader meaning than dissolution:

Other hypernyms of dissolution include conclusion, termination.

dissolution (noun)	ending (noun)
the termination or disintegration of a relationship (between persons or nations)	the act of ending something
the termination of a meeting	the end of a word (a suffix or inflectional ending or final morpheme)
dissolute indulgence in sensual pleasure	the last section of a communication
separation into component parts	event whose occurrence ends something
the process of going into solution	the point in time at which something ends